钾石盐; 钾盐
Sylvine \Syl"vine\, Sylvite \Syl"vite\, n. [So called from NL. sal digestivus sylvii potassium chloride.] (Min.) Native potassium chloride.
sylvite n : a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds [syn: {sylvine}]